2165303890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{66851}}^1$

素因数の和:66978

約数の個数: 32

約数和(自身を含む): 4043208960

約数和(自身を除く): 1877905070

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 395, 410, 790, 3239, 6478, 16195, 32390, 66851, 133702, 334255, 668510, 2740891, 5281229, 5481782, 10562458, 13704455, 26406145, 27408910, 52812290, 216530389, 433060778, 1082651945, 2165303890]

約数ペア:

[(1, 2165303890), (2, 1082651945), (5, 433060778), (10, 216530389), (41, 52812290), (79, 27408910), (82, 26406145), (158, 13704455), (205, 10562458), (395, 5481782), (410, 5281229), (790, 2740891), (3239, 668510), (6478, 334255), (16195, 133702), (32390, 66851)]